diff --git a/cmd/ledis-dump/main.go b/cmd/ledis-dump/main.go
index bf02ad7..b6a798d 100644
--- a/cmd/ledis-dump/main.go
+++ b/cmd/ledis-dump/main.go
@@ -23,7 +23,7 @@ func main() {
 	var err error
 	var f *os.File
 
-	if f, err = os.OpenFile(*dumpFile, os.O_CREATE|os.O_WRONLY, os.ModePerm); err != nil {
+	if f, err = os.OpenFile(*dumpFile, os.O_CREATE|os.O_WRONLY, 0644); err != nil {
 		println(err.Error())
 		return
 	}
diff --git a/ledis/binlog.go b/ledis/binlog.go
index 077398a..f26323e 100644
--- a/ledis/binlog.go
+++ b/ledis/binlog.go
@@ -117,7 +117,7 @@ func NewBinLog(cfg *config.Config) (*BinLog, error) {
 
 	l.path = path.Join(cfg.DataDir, "binlog")
 
-	if err := os.MkdirAll(l.path, os.ModePerm); err != nil {
+	if err := os.MkdirAll(l.path, 0755); err != nil {
 		return nil, err
 	}
 
diff --git a/server/replication.go b/server/replication.go
index 267a29b..445a813 100644
--- a/server/replication.go
+++ b/server/replication.go
@@ -38,7 +38,7 @@ func (m *MasterInfo) Save(filePath string) error {
 	filePathBak := fmt.Sprintf("%s.bak", filePath)
 
 	var fd *os.File
-	fd, err = os.OpenFile(filePathBak, os.O_CREATE|os.O_WRONLY, os.ModePerm)
+	fd, err = os.OpenFile(filePathBak, os.O_CREATE|os.O_WRONLY, 0644)
 	if err != nil {
 		return err
 	}
@@ -250,7 +250,7 @@ func (m *master) fullSync() error {
 	}
 
 	dumpPath := path.Join(m.app.cfg.DataDir, "master.dump")
-	f, err := os.OpenFile(dumpPath, os.O_CREATE|os.O_WRONLY, os.ModePerm)
+	f, err := os.OpenFile(dumpPath, os.O_CREATE|os.O_WRONLY, 0644)
 	if err != nil {
 		return err
 	}
diff --git a/store/boltdb/db.go b/store/boltdb/db.go
index f2cb1f3..15a0570 100644
--- a/store/boltdb/db.go
+++ b/store/boltdb/db.go
@@ -18,7 +18,7 @@ func (s Store) String() string {
 }
 
 func (s Store) Open(dbPath string, cfg *config.Config) (driver.IDB, error) {
-	os.MkdirAll(dbPath, os.ModePerm)
+	os.MkdirAll(dbPath, 0755)
 	name := path.Join(dbPath, "ledis_bolt.db")
 	db := new(DB)
 	var err error
diff --git a/store/goleveldb/db.go b/store/goleveldb/db.go
index 2a13f50..dad6a90 100644
--- a/store/goleveldb/db.go
+++ b/store/goleveldb/db.go
@@ -47,7 +47,7 @@ type DB struct {
 }
 
 func (s Store) Open(path string, cfg *config.Config) (driver.IDB, error) {
-	if err := os.MkdirAll(path, os.ModePerm); err != nil {
+	if err := os.MkdirAll(path, 0755); err != nil {
 		return nil, err
 	}
 
diff --git a/store/hyperleveldb/db.go b/store/hyperleveldb/db.go
index d6d7aeb..071dd38 100644
--- a/store/hyperleveldb/db.go
+++ b/store/hyperleveldb/db.go
@@ -28,7 +28,7 @@ func (s Store) String() string {
 }
 
 func (s Store) Open(path string, cfg *config.Config) (driver.IDB, error) {
-	if err := os.MkdirAll(path, os.ModePerm); err != nil {
+	if err := os.MkdirAll(path, 0755); err != nil {
 		return nil, err
 	}
 
diff --git a/store/leveldb/db.go b/store/leveldb/db.go
index 92a2419..ab29928 100644
--- a/store/leveldb/db.go
+++ b/store/leveldb/db.go
@@ -28,7 +28,7 @@ func (s Store) String() string {
 }
 
 func (s Store) Open(path string, cfg *config.Config) (driver.IDB, error) {
-	if err := os.MkdirAll(path, os.ModePerm); err != nil {
+	if err := os.MkdirAll(path, 0755); err != nil {
 		return nil, err
 	}
 
diff --git a/store/rocksdb/db.go b/store/rocksdb/db.go
index 1c79229..f3fb406 100644
--- a/store/rocksdb/db.go
+++ b/store/rocksdb/db.go
@@ -29,7 +29,7 @@ func (s Store) String() string {
 }
 
 func (s Store) Open(path string, cfg *config.Config) (driver.IDB, error) {
-	if err := os.MkdirAll(path, os.ModePerm); err != nil {
+	if err := os.MkdirAll(path, 0755); err != nil {
 		return nil, err
 	}
 
diff --git a/store/store.go b/store/store.go
index d620c03..aa4b485 100644
--- a/store/store.go
+++ b/store/store.go
@@ -27,7 +27,7 @@ func Open(cfg *config.Config) (*DB, error) {
 
 	path := getStorePath(cfg)
 
-	if err := os.MkdirAll(path, os.ModePerm); err != nil {
+	if err := os.MkdirAll(path, 0755); err != nil {
 		return nil, err
 	}